An organic compound [ A ] ( C _ 4 H _ 11 N) , shows optical...

Given:
1. Compound is optically active $⇒$ contains chiral carbon/Nitrogen.
2. Compound liberates ${N}_{2}$ gas with ${HNO}_{2} ⇒$ It is primary amine
3. Compound reacts with ${PhSO}_{2}Cl$ and the product is soluble in $KOH$ - It is a primary amine.

Option (A) and (D) are primary amines. But only option (D) satisfy all the above conditions.